Konecranes. two 55.000 DWT vessels ordered by Singaporean shipowner Masterbulk Pte. Ltd. unit, depending on size and capacity. quarter of 2006. of bulk carriers, including OHBC (Open Hatch Bulk Carriers) vessels. in the summer of 2005, which upon delivery in 2007 is said to be the largest open hatch gantry crane ships in the world. and 2000", says Mr. Ragnar Nielsen, President of Masterbulk Pte. Ltd. tons to 70 tons. will take place in 2006 and 2007. products. Antikainen, Director, Shipyard Cranes. weather conditions. 46.000 DWT and 48.000 DWT vessels. will be manufactured and assembled in China, and barged in Japan.